Failed to configure SaslClientAuthenticator Caused by: org.apache.kafka.common.KafkaException: Principal could not be determined from Subject, this may be a transient failure due to Kerberos re-login

#php
sasl.mechanisms = PLAIN

#java
//sasl.mechanism = java

props.put ( "ssl.endpoint.identification.algorithm","https");                  
props.put ( "sasl.jaas.config", "org.apache.kafka.common.security.plain.PlainLoginModule required serviceName=\"kafka\" username=\"XX\" password=\"xxx\";" );
props.put ( "sasl.mechanism", "PLAIN" );                //if it is java sasl.mechanism, for php = sasl.mechanisms